<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表单</title>
</head>
<body>
<input><br>
<input type="text"><br>
<input type="radio"><br>
<input type="submit"><br>
<input type="button" value="111"><br>
<input type="file"><br>
<input type="password"><br>
<input type="checkbox"><br>
<input type="image" src="source/qq.gif"> <br>

<label for="man">男</label> <input type="radio" id="man" name="sex">
<label for="woman">女</label> <input type="radio" id="woman" name="sex"> <br>

<button>按钮</button> <br>

文化程度:
<select>
    <optgroup label="大学生">
        <option>博士</option>
        <option>研究生</option>
        <option>本科</option>
        <option>专科</option>
    </optgroup>
    <optgroup label="高中生">
        <option>大专</option>
        <option>高中</option>
    </optgroup>
</select>


</body>
</html>